Further reading
- Documentation and cheat sheet for ggplot2: https://ggplot2.tidyverse.org/
- A high-level view of the grammar of graphics: https://www.youtube.com/watch?v=ieDyz7xUK4k
- The grammar of graphics – University of Chicago: https://cfss.uchicago.edu/notes/grammar-of-graphics/
- Line types and marker types for ggplot2: https://ggplot2.tidyverse.org/articles/ggplot2-specs.html
Geom_smooth
documentation: https://ggplot2.tidyverse.org/reference/geom_smooth.html- R code in GitHub for this chapter: https://tinyurl.com/3tkj9v5k
- Adding labels to a bar graph: https://r-graphics.org/recipe-bar-graph-labels